ENGINE CODES
CORVETTE
1969
Code Prefix
1970
Code Prefix
HPE
HPE, T/H
HPE, A/C
HPE, T/I
M/T
M/T
T/H
T/H
HPE, T/H
HPE
HPE
HPE, A/C
HPE, T/H, 3 Carbs
HPE, T/I
HD
HPE, A/C, T/I
A/H
SHPE
HPE, 3 Carbs
SHPE, T/I
SHPE, 3 Carbs
SHPE, T/I, 4 Speed
SHPE, HDC, 3 Carbs
HD
A/H, HDC
HD, T/H
T/H
HPE
A/H, T/H
SHPE, T/H, 3 Carbs
1971
1972
T/H, 270hp
4 Speed, 200hp
M/T, 330hp
4 Speed, E.E.C.,200hp
M/T, 330hp
T/H 400, 200hp
M/T, 270hp
T/H 400, E.E.C., 200hp
M/T, 270hp
4 Speed, 255hp
M/T, 365hp
H.D, 4 Speed, 255hp
T/H,
365HP
AIR, 4 Speed, 255hp
M/T,
425hp
T/H 400, AIR, 255hp
T/H, 425hp
4 Speed
T/H 400
AIR
AIR
1973
1974
M/T, 175hp
M/T
T/H
M/T, E.E.C
M/T, 250hp
M/T, 245hp
M/T, E.E.C, 175hp
T/H
T/H, E.E.C, 175hp
T/H, E.E.C
M/T, E.E.C, 250hp
T/H, 245hp
T/H, 250hp
M/T
T/H, E.E.C, 250hp
T/H
T/H E.EC
T/H E.EC
M/T, E.E.C
M/T
T/H
Configuration:
A/C: Air conditioned
AIR: Air injection reactor
A/T: Automatic trans
A/S: Air suspension
A/H: Aluminum heads
E.E.C: Exhaust emission control
F/I: Fuel injection
H.D.: Heavy duty
HPE: High performance
H/L: Hydraulic lifters engine
M/T: Manual trans
P/G: Powerglide
P/S: Power steering
SHPE: Special Hi Perf. engine
T/C: Turbocharged
T/I: Transistor ignition
T/H: Trubo hydramatic
1975
The engine code decoder reveals the engine displacement, plate location and configuration.